Stadium: Court 11 Round: 25 Ground: Hardcourt outdoor
| ITF USA F24 | 2018/09/10 17:00 | Adrian Oetzbach v Ishaan Ravichander | 6-3,6-1 |
| ITF USA F24 | 2018/09/09 18:00 | Adrian Oetzbach v Bradley Frye | 1-6,6-4,7-6 |
| Challenger Meerbusch Qual | 2018/08/12 09:40 | Marc Sieber v Adrian Oetzbach | 6-0,6-0 |
| Challenger Meerbusch Qual | 2018/08/11 12:30 | Adrian Oetzbach v Pol Toledo Bague | 6-4,4-6,6-2 |
| ITF Germany F11 | 2018/08/08 16:00 | Mats Rosenkranz v Adrian Oetzbach | 6-4,7-5 |
| ITF Germany F11 | 2018/08/07 11:20 | Adrian Oetzbach v Daniel Kopeinigg | 7-5,1-6,6-4 |
| ITF Germany F10 | 2018/08/01 15:00 | James Frawley v Adrian Oetzbach | 6-2,7-6 |
| ITF Germany F9 | 2018/07/22 11:00 | Adrian Oetzbach v Sandro Ehrat | 4-6,3-6 |
| ITF China F11 | 2018/07/17 03:30 | Jianhui Li v Weiqiang Zheng | 2-6,2-6 |
| ITF China F11 Qual | 2018/07/16 01:00 | Jianhui Li v Linghao Zhang | 6-2,6-1 |
| ITF China F11 Qual | 2018/07/15 01:00 | Jianhui Li v Owen Lu | 6-0,6-3 |
| ITF China F10 | 2018/07/11 03:00 | Jianhui Li v Lingxi Zhao | 4-6,4-6 |
| ITF China F10 | 2018/07/10 06:10 | Fajing Sun v Jianhui Li | 2-6,6-7 |
| ITF China F10 Qual | 2018/07/09 02:00 | Mitchell Thomas McDaniels v Jianhui Li | 4-6,1-6 |
| ITF China F10 Qual | 2018/07/08 02:00 | Yuchen Wu v Jianhui Li | 4-6,1-6 |
| ITF China F10 Qual | 2018/07/07 02:00 | Jianhui Li v Bang Shuo Yin | 6-2,6-2 |